Convert 450 US dollars to British pound sterling. Use 1 US dollar = 0.62 British pound sterling. Round to the nearest whole number.

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

In trapezoid efgh, m∠hef=(4x2+16)∘ and m∠gfe=(5x2+12)∘. find the value of x so that efgh is isosceles.

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.